Sionna Therapeutics Insider Sells $2.5 Million in Stock Amid 215% Share Price Surge

Peter A. Thompson, a director of Sionna Therapeutics, sold 55,345 shares worth approximately $2.5 million through indirect ownership. The sale occurred amid a 215% one-year surge in the company's stock price. The transaction price was 17.2% above the recent market price, raising questions about insider activity and its implications for investors.

By Jonathan Ponciano, The Motley Fool Mon, April 27, 2026 at 10:49 PM GMT+3 4 min read · Yahoo Finance ·

Sionna Therapeutics Insider Sells $2.5 Million in Stock Amid 215% Share Price Surge

Tickers: $SION

Topics: corporate governance insider selling SEC filings stock price performance

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